Question

Q1) Fill in the blanks.

I. _________________ is the variety of coal with maximum carbon content.

II. Petroleum and natural gas were formed from dead _____________________.

III. The fuel used in jet aeroplanes _______________________.

IV. The process of conversion of wood into coal is called _________________.

V. The slow process of conversion of dead vegetation into coal is called__________.

VI. Coal and petroleum are formed from the dead remains of organisms and are known as __________.

VII. The black thick liquid with __________ smell is known as coal tar.

VIII. During the processing of coal to get coke, coal tar and __________ are also obtained.

IX. The process of separating the various constituents of petroleum is known as __________.

X. Excessive burning of fossil fuels is a major cause of __________.

XI. When heated in air, coal burns and produces mainly ________ gas.

Answer 1

Answer:

1.Anthacite

2. dead organism buried in sea

3.Aviation fuel

4.carbonization

5.carbonization

6. fossil fuel

7.unpleasant

8.coal gas

9.refining

10. global warming

11.carbon dioxide gas

hope this helps you

please mark as brainlest answer

Answer 2

Answer:

oxides of metals are generally acidic in nature ...

non- metal oxides are basic in nature..

sorry yaar..